package com.xncoding.aop.aspect;

import java.util.HashMap;
import java.util.Map;

public class TestMap {

    public static void main(String[] args) {
        Map<String, User> userMap = new HashMap<>();
        userMap.put("chenchao", new User());
        User chenchao = userMap.get("chenchao");
        User son = new User();
        chenchao.getSons().add(son);
        System.out.println(userMap);
    }
}
